Re: URGENT: [diagnostic] cache_lock: blocked on 0xda5265a8 ""

From:

Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>

Date:

Sun, 19 Aug 2007 22:50:35 -0700 (PDT)

:cache block thing is the only thing showing up in dmesg when processes
:start hanging.
I dont see any disk hangs (no wchan's are in the bio subsystem). You
may have found a namecache deadlock but I can't track it down without
a kernel core and it sounds like you need physical access to do one
safely, unless you have a remote power cycler on the box too.
-Matt